AR Book Level
8.5
AR Points
3
Word Count
14,974
Interest Level
Middle Grades (MG 4-8)
Genre
Nonfiction
AR Quiz #
226321 EN
About this book
In 1940, the greatest threat to Britain was the Nazi U-Boat fleet. For the country to survive, it was vital to crack Enigma, the seemingly unbreakable U-boat code. Turing was one of the men to do so and then went on to develop the first modern computer.